Display Device and Driving Method Thereof Capable of Preventing Display Unevenness

1. A display device, comprising a display panel and a source driver connected to the display panel, wherein the display panel comprises a plurality of horizontal display areas from being close to the source driver to far away from the source driver; wherein the source driver is configured to respectively output different driving current intervals through a plurality of input channels to correspondingly drive the plurality of horizontal display areas from being close to the source driver to far away from the source driver, wherein the driving current intervals corresponding to the plurality of horizontal display areas from being close to the source driver to far away from the source driver gradually increase, wherein the source driver comprises at least one multi-output adjustable current source, the plurality of input channels are respectively connected with the multi-output adjustable current source, and the multi-output adjustable current source is configured to output a corresponding driving current interval to drive one of the plurality of horizontal display areas, and each of the plurality of horizontal display areas is divided into a left sub-area, a middle sub-area, and a right sub-area, and the adjustable current source is further configured to output currents that increase in magnitude bidirectionally starting from the middle sub-area and expanding out to both the left sub-area and the right sub-area and are from respective driving current interval corresponding to the each horizontal display area.

2. The display device of claim 1, wherein the sub-areas of the each horizontal display area are driven by currents that increase in magnitude bidirectionally starting from the middle sub-area and expanding out to both the left sub-area and the right sub-area and are from respective driving current interval corresponding to the each horizontal display area.

3. The display device of claim 1, wherein each input channel is connected to an adjustable compensation resistor in series, and wherein compensation resistance intervals selected for the plurality of horizontal display areas from being close to the source driver to far away from the source driver gradually decrease.

4. The display device of claim 3, wherein compensation resistance values of respective compensation resistance interval selected for the each horizontal display decrease in magnitude bidirectionally starting from the middle sub-area and expanding out to both the left sub-area and the right sub-area.

5. The display device of claim 3, wherein the adjustable compensation resistor is an adjustable resistor.

6. The display device of claim 3, wherein the adjustable compensation resistor comprises a plurality of parallel branches, each of the plurality of parallel branches comprises a resistor and a switch connected in series, and magnitudes of resistance of the plurality of parallel branches are different.

7. The display device of claim 3, further comprising a timing controller connected to the source driver, wherein the timing controller is configured to control the source driver to select driving currents and the adjustable compensation resistor for each of the plurality of input channels.

8. A display device, comprising a display panel and a source driver connected to the display panel, wherein the display panel comprises a plurality of horizontal display areas from being close to the source driver to far away from the source driver; wherein the source driver is configured to respectively output different driving current intervals through a plurality of input channels to correspondingly drive the plurality of horizontal display areas from being close to the source driver to far away from the source driver, and wherein the driving current intervals corresponding to the plurality of horizontal display areas from being close to the source driver to far away from the source driver gradually increase; and wherein each of the plurality of horizontal display areas is divided into a left sub-area, a middle sub-area, and a right sub-area, and the sub-areas of the each horizontal display area are driven by currents that increase in magnitude bidirectionally starting from the middle sub-area and expanding out to both the left sub-area and the right sub-area and are from respective driving current interval corresponding to the each horizontal display area.

9. The display device of claim 8, wherein the source driver comprises at least one multi-output adjustable current source, the plurality of input channels are respectively connected with the multi-output adjustable current source, and the multi-output adjustable current source is configured to output a corresponding driving current interval to drive one of the plurality of horizontal display areas.

10. The display device of claim 9, wherein the multi-output adjustable current source is further configured to output driving currents of different magnitudes in the driving current interval corresponding to each horizontal display area, to drive the middle sub-area to the two-side sub-area of each horizontal display area.

11. The display device of claim 8, wherein each input channel is connected to an adjustable compensation resistor in series, and wherein compensation resistance intervals selected for the plurality of horizontal display areas from being close to the source driver to far away from the source driver gradually decreases.

12. The display device of claim 11, wherein compensation resistance values of each compensation resistance interval selected for each horizontal display area from a middle sub-area to two-side sub-areas of each horizontal display area gradually decreases.

13. The display device of claim 11, wherein the adjustable compensation resistor is an adjustable resistor.

14. The display device of claim 11, wherein the adjustable compensation resistor comprises a plurality of parallel branches, each of the plurality of parallel branches comprises a resistor and a switch connected in series, and magnitudes of resistance of the plurality of parallel branches are different.

15. A driving method of a display device, wherein the display device comprises a display panel and at least one source driver connected to the display panel, the display panel comprises a plurality of horizontal display areas from being close to the source driver to far away from the source driver; and the driving method comprises: respectively outputting different driving current intervals through a plurality of input channels by the source driver to correspondingly drive the plurality of horizontal display areas from being close to the source driver to far away from the source driver, wherein the driving current intervals corresponding to the plurality of horizontal display areas from being close to the source driver to far away from the source driver gradually increase, wherein each of the plurality of horizontal display areas is divided into a left sub-area, a middle sub-area, and a right sub-area, and the sub-areas of the each horizontal display area are driven by currents that increase in magnitude bidirectionally starting from the middle sub-area and expanding out to both the left sub-area and the right sub-area and are from respective driving current interval corresponding to the each horizontal display area.

16. The driving method of the display device of claim 15, further comprising: connecting an adjustable compensation resistor to each input channel in series, wherein compensation resistance intervals selected for the plurality of horizontal display areas from being close to the source driver to far away from the source driver gradually decreases.

17. The driving method of the display device of claim 16, further comprising: compensation resistance values of respective compensation resistance interval selected for the each horizontal display decrease in magnitude bidirectionally starting from the middle sub-area and expanding out to both the left sub-area and the right sub-area.